In 2015, the New Horizons space probe discovered spectacular snowcapped mountains on Pluto, which are strikingly similar to mountains on Earth. Such a landscape had never before been observed ...

New close-up images of a region near Pluto’s equator reveal a giant surprise: a range of youthful mountains rising as high as 11,000 feet (3,500 meters) above the surface of the icy body. The ...

NASA has written up a summary of discoveries to date from its New Horizons mission to Pluto, four months after the craft sailed past the icy dwarf planet. Share on Facebook (opens in a new window) ...

The first pictures sent back by NASA's New Horizons probe after this week's unprecedented Pluto flyby reveal towering mountains made of frozen water — and a giant dark impact basin on top of its ...

CAPE CANAVERAL, Fla. (Reuters) - Scientists have discovered what appear to be ice-spewing volcanoes on the surface of Pluto, raising questions about how the tiny, distant world has been so ...

New Horizons exposed Pluto as a surprisingly active world shaped by towering ice mountains, cryovolcanoes that erupt frozen mixtures instead of lava, and a possible hidden ocean sealed beneath a deep ...

Pluto, once considered the ninth planet, was reclassified as a dwarf planet in 2006 because it shares its orbital path with ...